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7625663 Cerium batteries  
A power cell ( 100 A) has an electrolyte that includes a reodox pair comprising cerium. The electrolyte in preferred cells is an acid electrolyte that comprises a element ion complexed by an...
7591964 Electrochemical devices comprising proton conducting mediums  
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula:
7585580 Direct reacting anolyte-catholyte fuel cell for hybrid energy sources  
A fuel cell and a method for using the fuel cell to make electricity, in which the fuel cell has an anode half-cell having an electrocatalytic anode and a liquid anolyte that is substantially...
7560189 Mixed electrolyte battery  
A battery ( 100 B) comprises an electrolyte in which a first element forms a redox pair with a second element, wherein the battery ( 100 B) is charged at a voltage sufficient to plate the first...
7550224 Apparatus equipped with metallic manganese anode for generating power from voltage gradients at the sediment-water interface  
An apparatus having a metallic manganese anode; a cathode capable of reducing at least one species found in marine water; and a rig coupled to the anode and the cathode capable of maintaining the...
7547488 Oriented strand board panel having improved strand alignment and a method for making the same  
An oriented strand board panel and a method for making the same are provided. The OSB panel has at least three layers, namely, a top surface layer, a core layer, and a bottom surface layer. A first...
7537859 Redox flow battery  
A redox flow battery 1 has a stack of individual cells, shown diagrammatically as a single cell, with anolyte and catholyte compartments divided from each other by an ionically selective and...
7521149 High efficiency semi-fuel cell incorporating an ion exchange membrane  
A new semi-fuel cell design that incorporates ion exchange membranes to create separate compartments for the anolyte and catholyte to flow through the semi-fuel cell thereby isolating the metal...
7514173 Water-activated cell and method of power generation  
A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second...
7485211 Electro-catalysts for the oxidation of ammonia in alkaline media  
An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia...
7482081 Battery system with in-situ and on-time continuous regeneration of the electrodes  
The battery system of this invention continuously regenerates the electrodes of the battery in-situ and on-time as the electrodes are consumed during discharge, which concurrently generate electric...
7452486 Zinc lanthanide sulfonic acid electrolytes  
Disclosed are aqueous solutions for use in high energy, highly efficient electrical energy storage devices. The solutions contain (a) a high purity sulfonic acid with a low concentration of low...
7432013 Secondary battery and method of generating electric power  
A secondary battery comprising a power generating part and a charging part, wherein the power generating part comprises an acidic medium in which a first electrode is disposed and a basic...
7429371 Reversible oxidation of carbon nanotubes  
Carbon nanotubes have been reversibly and readily oxidized and reduced with common chemicals in solution, thereby allowing the nanotubes to be used as catalysts for chemical reactions and as stable...
7361427 Manifold for a pile configured battery  
An improved method of fabricating and discharging a pile configured battery which utilizes an electrically conductive flowing aqueous electrolyte. This is accomplished by use of a single piece...
7358001 Process for operating a regenerative fuel cell  
In the regenerative fuel cell, a positive chamber is separated from a negative chamber by a cation exchange membrane. The positive chamber comprises a positive electrode and a bromine-containing...
7320844 Vanadium/polyhalide redox flow battery  
The invention relates to a redox flow cell containing a polyhalide/halide redox couple in the positive half-cell electrolyte and a V(III)/V(II) redox couple in the negative half-cell electrolyte....
7297437 Battery with gelled electrolyte  
An electric device comprises a gelled acid electrolyte ( 142 A) in complex with a lanthanide that forms a redox pair with a second element. Preferred electric devices include batteries and...
7270911 Load leveling battery and methods therefor  
A load leveling battery ( 122 ) comprising an electrolyte that includes a cerium zinc redox pair wherein preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic...
7255960 Bi-liquid phase replenishment electrolyte management system  
An electrochemical cell system and methods for controlling the system are provided that are operated to produce an amount of current based upon power draw. The cell utilizes a solution phase...
7252905 Lanthanide batteries  
A battery ( 100 ) comprises an electrolyte in which a lanthanide and zinc form a redox pair. Preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid, and it...
7220515 Pressure fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary battery  
A simplified, pressure-variation preventing tank structure capable of preventing pressure variations in a gas phase portion resulting from temperature variations, without bringing stored liquid...
7214443 Secondary battery with autolytic dendrites  
A battery ( 100 ) comprises a cell having a cathode compartment ( 120 ) that includes an element that is oxidized during charging of the battery ( 100 ), wherein the oxidized element forms a salt...
7195841 System and a method of solid storage and dissolution of a catholyte for use in electrochemical cell  
A system and a method of storage and dissolution of solid catholyte are provided. The system and the method employ a solid medium having a controlled surface from which solid catholyte particles...
7129000 Battery and method for generating an electric power  
For utilizing the chemical energy of a sugar directly as electric energy, electrolytic oxidation of a sugar on the negative electrode associated with cleavage of a carbon-carbon bond thereof is...
7078123 High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions  
Disclosed is a method for preparing a high energy density (HED) electrolyte solution for use in an all-vanadium redox cell, a high energy density electrolyte solution, in particular an all-vanadium...
7033696 Electric devices with improved bipolar electrode  
An electric device has a plurality of cells in which in an acid electrolyte a lanthanide and zinc form a redox couple that provide a current, and in which at least two of the cells are separated by...
6986966 Battery with bifunctional electrolyte  
A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred...
6982128 Co-catalyst proton exchange membrane fuel cell utilizing borohydride fuels  
Two co-catalysts selected from the transitional metals can be employed in proton exchange membrane fuel cells to catalyze a borohydride anolyte, such that diatomic hydrogen produced on the surface...
6955866 Coated lithium electrodes  
Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a...
6916576 Power generating method and cell  
A positive electrode, a negative electrode, and an electrolyte intervening between the positive electrode and the negative electrode are employed, and a molecule capable of being excited due to...
6905797 Porous mat electrodes for electrochemical reactor having electrolyte solution distribution channels  
A multicell assembly for a redox flow electrolyzer is constituted by alternately stacking pre-assembled elements, typically an electrode subassembly including porous mat electrodes on opposite...
6887600 Regenerative fuel cell with pH control  
The present invention relates to a process for operating a regenerative fuel cell (RFC). The process involves circulating a first electrolyte (electrolyte 1 ) through the negative chamber of the...
6872376 Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method  
A modified vanadium compound characterized in that vanadium sulfate (III), or a mixed vanadium compound of vanadium sulfate (III) and vanadyl sulfate (IV) contains excessive sulfuric acid other...
6864012 Recombinator for the re-acidification of an electrolyte stream in a flowing electrolyte zinc-bromine battery  
A recombinator device and associated method for re-acidification of an electrolyte in a flowing electrolyte zinc-bromine battery. The recombinator device receives hydrogen, formed as a result of...
6855443 Electrochemical device  
A device in accordance with a present invention includes at least one of a stainless steel anode and transition metal oxide cathode.
6849356 Separated flow liquid catholyte aluminum hydrogen peroxide seawater semi fuel cell  
The present invention relates to an improved semi-fuel cell and an improved cathode used therein. The semi-fuel cell stack comprises a housing, an anode within the housing, a porous cathode within...
6841294 Electrolyte rebalancing system  
A process for rebalancing the electrolyte system in a regenerative fuel cell using a sulfide/polysulfide reaction in one half of the cell and a bromine/bromide reaction in the other half of the...
6838208 Modified thermal galvanic cell  
This invention is directed to modified thermal galvanic cells for conversion of heat into useful electrical energy by electrochemical action using thermal and concentration differences to enhance...
6790555 Electrochemical cell having a controlled electrode surface  
The present invention relates to an electrochemical cell having a controlled electrode surface, comprising: a first electrode and a second electrode wherein at least one of the first and second...
6773470 Suspensions for use as fuel for electrochemical fuel cells  
A fuel composition for fuel cells includes a polar solvent such as water, a first portion of a first fuel dissolved in the solvent at a saturated concentration, and a second portion of the first...
6764789 Redox flow battery  
The present invention provides a redox flow type battery which a liquid-circulating battery comprising a battery cell and storage tanks for positive and negative electrolytes, wherein the battery...
6720107 Redox gel battery  
A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the...
6692862 Redox flow battery and method of operating it  
By realizing or installing check valve liquid vein interrupters in each compartment of the battery the phenomenon of slow discharge of the retained volumes of electrolytes during long periods of...
6652819 Production of high purity vanadium compound from vanadium-containing carbonaceous residues  
A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of...
6617070 Methods of detecting the onset of colloid formation in particular sulfur precipitation  
A method suitable for detecting the onset of colloid formation within a solution whose composition is in a state of change, which method makes use of the technique of acoustophoresis and which...
6613298 Trivalent and tetravalent mixed vanadium compound producing method and vanadium electrolyte producing method  
The present invention provides method of producing a trivalent and tetravalent mixed vanadium compound having excellent solubility with sulfuric acid directly from a tetravalent or pentavalent...
6613471 Active material for fuel cell anodes incorporating an additive for precharging/activation thereof  
A hydrogen storage alloy active material for the anode of Ovonic instant startup/regenerative fuel cells. The active material includes a hydrogen storage alloy material with a water reactive...
6555267 Membrane-separated, bipolar multicell electrochemical reactor  
A multicell assembly is constituted by alternately stacking two types of pre-assembled elements: a bipolar electrode holding subassembly and a membrane holding subassembly. The alternate stack of...
6537468 Composition for ionically conductive solid polymer, ionically conductive solid polyelectrolyte, binder resin, and secondary battery  
The invention is directed at an ion-conductive solid polymer-forming composition, a binder resin and an ion-conductive solid polymer electrolyte comprising (A) a polymeric compound containing...
Matches 1 - 50 out of 290 1 2 3 4 5 6 >